Fujiki Keisuke
Yagami Takuro [Taeko's brother]
Sawai Mikako
Miki Kozue [Researcher]
Nozue Takamasa [Detective]
Yagami Taeko [Keisuke's lover] | [Narrator]
Tonami Kengo [Professor]
Sujikawa Nihei [Detective]
Hasegawa Teruhiko [Neurosurgeon]
Karasuma Kyoko [Taeko's friend]
Sasaki Yoshiro [Researcher]
